Finding the Fourth Proportional to 111,454.69, 153,804.45 and 67,830.85

Step by Step Solution

1. Step 1: Write the proportion equation
   111,454.69 : 153,804.45 = 67,830.85 : x
2. Step 2: Convert to fraction form
   111,454.69/153,804.45 = 67,830.85/x
3. Step 3: Cross multiply
   111,454.69x = 153,804.45 × 67,830.85
4. Step 4: Simplify right side
   111,454.69x = 10,432,686,577.28
5. Step 5: Solve for x
   x = 10,432,686,577.28/111,454.69
6. Step 6: Final answer
   x = 93,604.73